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COMPARATIVE STUDY
JOURNAL ARTICLE
MULTICENTER STUDY
Surveillance for Clostridium difficile infection in nursing homes.
Journal of the American Geriatrics Society 2013 January
OBJECTIVES: To define the time of onset of Clostridium difficile infection (CDI) in the community nursing home setting.
DESIGN: Retrospective.
SETTING: Four community nursing homes.
PARTICIPANTS: Residents with incident CDI identified from infection control surveillance records.
MEASUREMENTS: Cases were divided into two groups depending on the time of onset of infection: within 30 days of admission after hospitalization or more than 30 days after admission to a nursing home after hospitalization.
RESULTS: Of 75 incident CDI cases, 52 (69%) developed within 30 days of admission and 23 (31%) more than 30 days after admission. Of the 52 cases that developed within 30 days, 68% were in residents admitted for subacute care. The mean number of days ± standard deviation to CDI was 10.5 ± 2.5 in those who developed infection within 30 days; 75% of these cases developed within 15 days of admission.
CONCLUSIONS: The majority of CDI in the study nursing homes developed within 30 days of admission; this group may be analogous to community-onset, hospital-associated CDI as defined in the Centers for Disease Control and Prevention (CDC) surveillance definitions. Therefore, the proposed CDC surveillance definitions may overestimate the incidence of nursing home-associated CDI.
DESIGN: Retrospective.
SETTING: Four community nursing homes.
PARTICIPANTS: Residents with incident CDI identified from infection control surveillance records.
MEASUREMENTS: Cases were divided into two groups depending on the time of onset of infection: within 30 days of admission after hospitalization or more than 30 days after admission to a nursing home after hospitalization.
RESULTS: Of 75 incident CDI cases, 52 (69%) developed within 30 days of admission and 23 (31%) more than 30 days after admission. Of the 52 cases that developed within 30 days, 68% were in residents admitted for subacute care. The mean number of days ± standard deviation to CDI was 10.5 ± 2.5 in those who developed infection within 30 days; 75% of these cases developed within 15 days of admission.
CONCLUSIONS: The majority of CDI in the study nursing homes developed within 30 days of admission; this group may be analogous to community-onset, hospital-associated CDI as defined in the Centers for Disease Control and Prevention (CDC) surveillance definitions. Therefore, the proposed CDC surveillance definitions may overestimate the incidence of nursing home-associated CDI.
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